Adapter



FIG. 1 is a perspective view of an adapter;

FIG. 2 is a front view of the adapter of FIG. 1;

FIG. 3 is a rear view of the adapter of FIG. 1;

FIG. 4 is a right side of the adapter of FIG. 1;

FIG. 5 is a left side of the adapter of FIG. 1;

FIG. 6 is a top view of the adapter of FIG. 1; and,

FIG. 7 is a bottom view of the adapter of FIG. 1.

The broken lines in the drawings illustrate portions of the adapter and form no part of the claimed design. 

CLAIM The ornamental design for an adapter, as shown and described. 